A timer-controlled doorbell device has been developed using two 555 timer ICs in monostable mode, combined with a relay ...

The remote variable resistor functions as a voltage-controlled resistor whose resistance changes based on an applied voltage.

August 2025 edition of Elektor is out. The IoT & Sensors edition has something for everyone, whether you’re looking for ...

In a hard-to-articulate way, it’s somewhat comforting to know that even in our world of highly integrated, multifunction ...

Extending Woodward's original "Flip ON Flop OFF" for AC voltages, switching power ON and OFF using a pushbutton or a ...

To find the right circuit in the electrical panel, you first plug the socket tester into a socket. Then you go to the panel ...

Mirage is designed for all ambient adventures, from adding some everyday space to soundscape design and shoegaze reveries – and CTC says a stripped-down single-engine version is in the works ...

The behavior of the Three-Phase Twisted-Ring Counter (3P-TRC) circuit is analyzed. The circuit produces three individual phased clock signals that exercise a phase difference equal to the half period ...